nullpointer.co.uk - dns.ninja

`nullpointer.co.uk`

DNSSEC	⚠️ Not signed
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`ns03.domaincontrol.com` ⭐
		A	2603:5:2150::2^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns03.domaincontrol.com`
		A	97.74.101.2^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns03.domaincontrol.com`
NS	`ns04.domaincontrol.com`
		A	2603:5:2250::2^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns04.domaincontrol.com`
		A	173.201.69.2^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns04.domaincontrol.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`v=spf1 include:spf.improvmx.com ~all`
SOA	`ns03.domaincontrol.com`dns@jomax.net 2026-07-27 #0

`co.uk`

	DNSSEC	⚠️ Not signed
	NS	`dns1.nic.uk` ⭐ ⚠️ Not in parent delegation
	NS	`dns2.nic.uk` ⚠️ Not in parent delegation
	NS	`dns3.nic.uk` ⚠️ Not in parent delegation
	NS	`dns4.nic.uk` ⚠️ Not in parent delegation
	NS	`nsa.nic.uk` ⚠️ Not in parent delegation
	NS	`nsb.nic.uk` ⚠️ Not in parent delegation
	NS	`nsc.nic.uk` ⚠️ Not in parent delegation
	NS	`nsd.nic.uk` ⚠️ Not in parent delegation
	SOA	`dns1.nic.uk`hostmaster@nominet.org.uk serial=1785325291

WOT: SAFE (72/100)
rank #119196 globally
rank #3470 in the tld
WOT: SAFE (74/100)

Subdomains

mail.nullpointer.co.uk

www.nullpointer.co.uk

Same first word

Similar names

pointernull.com

lornetuplin.com

DNS History

12 records (8 active, 4 former)

○NSns.hosteurope.com2015-06-08 → 2017-02-19 · 4 obs

● 2015-06-08 15:39:18
● 2017-02-19 22:26:30
○ 2026-06-11 19:52:36
○ 2026-07-29 11:41:44

●NSns03.domaincontrol.com2026-06-11 → 2026-07-29 · 3 obs

○ 2017-02-19 22:26:30
● 2026-06-11 19:52:36
● 2026-07-29 11:41:44

●NSns04.domaincontrol.com2026-06-11 → 2026-07-29 · 3 obs

○ 2017-02-19 22:26:30
● 2026-06-11 19:52:36
● 2026-07-29 11:41:44

○NSns2.hosteurope.com2015-06-08 → 2017-02-19 · 4 obs

● 2015-06-08 15:39:18
● 2017-02-19 22:26:30
○ 2026-06-11 19:52:36
○ 2026-07-29 11:41:44

○MXmail.nullpointer.co.uk2015-06-08 → 2017-02-19 · 3 obs

● 2015-06-08 15:39:18
● 2017-02-19 22:26:30
○ 2026-07-29 11:41:44

●MXmx1.improvmx.com2026-07-29 → 2026-07-29 · 2 obs

○ 2017-02-19 22:26:30
● 2026-07-29 11:41:44

●MXmx2.improvmx.com2026-07-29 → 2026-07-29 · 2 obs

○ 2017-02-19 22:26:30
● 2026-07-29 11:41:44

●A185.199.108.1532026-06-11 → 2026-07-29 · 3 obs

○ 2017-02-19 22:26:30
● 2026-06-11 19:52:36
● 2026-07-29 11:41:44

●A185.199.109.1532026-06-11 → 2026-07-29 · 3 obs

○ 2017-02-19 22:26:30
● 2026-06-11 19:52:36
● 2026-07-29 11:41:44

●A185.199.110.1532026-06-11 → 2026-07-29 · 3 obs

○ 2017-02-19 22:26:30
● 2026-06-11 19:52:36
● 2026-07-29 11:41:44

●A185.199.111.1532026-06-11 → 2026-07-29 · 3 obs

○ 2017-02-19 22:26:30
● 2026-06-11 19:52:36
● 2026-07-29 11:41:44

○A94.136.40.1002015-06-08 → 2017-02-19 · 4 obs

● 2015-06-08 15:39:18
● 2017-02-19 22:26:30
○ 2026-06-11 19:52:36
○ 2026-07-29 11:41:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	dns1.nic.uk, dns3.nic.uk, nsc.nic.uk, nsa.nic.uk...	-
nullpointer.co.uk	ns03.domaincontrol.com, ns04.domaincontrol.com	-

✅ Authoritative Response

Server:97.74.101.2

NS records: ns03.domaincontrol.com, ns04.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nullpointer.co.uk (unsigned zone)

⏱️ Timing

Total: 286ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.110.153, 185.199.111.153...`
NS	2	`ns04.domaincontrol.com, ns03.domaincontrol.com`
MX	2	`mx2.improvmx.com (pri: 20), mx1.improvmx.com (pri: 10)`
TXT	1	`v=spf1 include:spf.improvmx.com ~all`
SOA	1	`ns03.domaincontrol.com dns.jomax.net`

Analysis

Hierarchy

mail.nullpointer.co.uk and www.nullpointer.co.uk are both subdomains of nullpointer.co.uk.

IP Addresses

nullpointer.co.uk points to the four IP addresses 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

sadage.com, gammapy.github.io, eclipse-rdf4j.github.io and two other host names share IP numbers with nullpointer.co.uk.

Name Servers

nullpointer.co.uk has two authoritative name servers — ns03.domaincontrol.com and ns04.domaincontrol.com.

nullpointer.co.uk uses the same name servers as several other domains — among them minori.net, gaaworld.com, dubaitrip.biz and two more.

Both ns03.domaincontrol.com and ns04.domaincontrol.com have two IP addresses each. ns03.domaincontrol.com resolves to 97.74.101.2 and 2603:5:2150::2; ns04.domaincontrol.com resolves to 173.201.69.2 and 2603:5:2250::2.

Mail Servers

Mail for nullpointer.co.uk is handled by two mail servers — mx1.improvmx.com and mx2.improvmx.com.

nullpointer.co.uk uses an identical mail server configuration to several other domains — among them footyjersey.co.uk, acronix.eu, xerast.com and two more.

nullpointer.co.uk has at least partial mail server overlap with other domains such as jkautomotive.co.in, wot.me, webtrackafrica.com and two more.

Hostnames that resolve to 6 IP addresses:

mx1.improvmx.com points to 13.37.195.136, 15.236.236.160, 35.181.18.45 and 3 other IP addresses.

mx2.improvmx.com points to 13.36.107.63, 13.36.222.39, 15.236.61.92 and 3 other IP addresses.